- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/84 - Television signal recording using optical recording
Patent holdings for IPC class H04N 5/84
Total number of patents in this class: 160
10-year publication summary
|
10
|
13
|
16
|
5
|
5
|
10
|
5
|
6
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
16 |
| Panasonic Intellectual Property Corporation of America | 7230 |
16 |
| Sony Corporation | 32931 |
12 |
| Panasonic Corporation | 20786 |
10 |
| LG Electronics Inc. | 69257 |
9 |
| Canon Inc. | 36841 |
7 |
| Pioneer Corporation | 4843 |
6 |
| Disney Enterprises, Inc. | 6012 |
5 |
| Clearplay, Inc. | 19 |
3 |
| Maxell Holdings, Ltd. | 1422 |
3 |
| Maxell, Ltd. | 2533 |
3 |
| Warner Bros. Entertainment Inc. | 2271 |
2 |
| Cisco Technology, Inc. | 18858 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Nikon Corporation | 7162 |
2 |
| Seagate Technology LLC | 4228 |
2 |
| Thomson Licensing | 4027 |
2 |
| Ctrlmovie AG | 9 |
2 |
| Vivotek Inc. | 196 |
2 |
| Avago Technologies International Sales Pte. Limited | 9260 |
2 |
| Other owners | 52 |